insertion sort for my numbers structure

insertion-sort.c

#include <stdio.h>
#include "numbers.h"

void insertionSort(struct numbers*);

int main()
{
    struct numbers myNumbers = generateRandoms(1,10);
    int i;
    for (i = 0; i < myNumbers.size; i++)
        printf("%d ", myNumbers.values[i]);
    printf("\n");
    insertionSort(&myNumbers);
    for (i = 0; i < myNumbers.size; i++)
        printf("%d ", myNumbers.values[i]);
    printf("\n");
    return 0;
}

void insertionSort(struct numbers *myNumbers)
{
    int i, j, k;
    for (i = 1; i < myNumbers->size; i++)
    {
        k = myNumbers->values[i];
        j = i;
        while (myNumbers->values[j-1] > k)
        {
            myNumbers->values[j] = myNumbers->values[j-1];

            j--;
        }
        myNumbers->values[j] = k;
    }
}